| article html file updated | 1 September 2025 21:12 CEST | Update | https://www.mdpi.com/1996-1073/14/4/906 |
| article html file updated | 24 July 2022 21:43 CEST | Update | N/A |
| article html file updated | 14 February 2021 04:29 CET | Update | N/A |
| article html file updated | 10 February 2021 09:51 CET | Update | N/A |
| article html file updated | 10 February 2021 09:31 CET | Update | N/A |
| article pdf uploaded. | 10 February 2021 09:29 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/906/pdf |
| article xml uploaded. | 10 February 2021 09:29 CET | Update | https://www.mdpi.com/1996-1073/14/4/906/xml |
| article xml file uploaded | 10 February 2021 09:29 CET | Update | N/A |
| article html file updated | 9 February 2021 13:03 CET | Original file | N/A |
| article pdf uploaded. | 9 February 2021 13:02 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/906/pdf-vor |
| article xml uploaded. | 9 February 2021 13:02 CET | Update | N/A |
| article xml file uploaded | 9 February 2021 13:01 CET | Original file | N/A |